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#1
06-15-2021, 09:25 AM
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Fuse Block Power - 62 Cat
Courtesy lights / dome light not working. Battery, door switches, fuses and bulbs all check out OK. Problem traced to fuse block... no 12v supply detected. Everything was working last year when I put the car into winter storage. What's going on here?
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#2
06-16-2021, 08:40 AM
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Mice?
No 12 volts at all at the fuse box? Just the courtesy lights? The main power to fuse box comes from the horn relay & junction box. (on engine firewall I think) The light switch may be the problem also? 
__________________
John Wallace - johnta1 Pontiac Power RULES !!! www.wallaceracing.com Winner of Top Class at Pontiac Nationals, 2004 Cordova Winner of Quick 16 At Ames 2004 Pontiac Tripower Nats KRE's MR-1 - 1st 5 second Pontiac block ever! "Every man has a right to his own opinion, but no man has a right to be wrong in his facts." "People demand freedom of speech to make up for the freedom of thought which they avoid." – Socrates |
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#3
06-16-2021, 02:57 PM
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Fuse Block Power - 62 Cat
No mice! There is simply no 12v power at the fuse block. All switches and lights check out as OK by separate independent resistance checks with an ohm meter.
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#4
06-16-2021, 03:10 PM
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Check at the horn relay/junction block.
There is also a wire solder joint in the wiring loom I think before the fuse box. The solder may have broken?
__________________
John Wallace - johnta1 Pontiac Power RULES !!! www.wallaceracing.com Winner of Top Class at Pontiac Nationals, 2004 Cordova Winner of Quick 16 At Ames 2004 Pontiac Tripower Nats KRE's MR-1 - 1st 5 second Pontiac block ever! "Every man has a right to his own opinion, but no man has a right to be wrong in his facts." "People demand freedom of speech to make up for the freedom of thought which they avoid." – Socrates |
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#5
06-16-2021, 05:15 PM
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If you don't already have one, there's a wiring diagram for your car here: http://www.oldcarmanualproject.com/t...re5765-335.jpg It helps to blow it up on your screen to be able to read it better. I'd double-check any connectors or junction points shown.
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